142722820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{18251}}^1$

素因数の和:18300

約数の個数: 48

約数和(自身を含む): 331164288

約数和(自身を除く): 188441468

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 18251, 36502, 73004, 91255, 182510, 310267, 365020, 419773, 620534, 839546, 1241068, 1551335, 1679092, 2098865, 3102670, 4197730, 6205340, 7136141, 8395460, 14272282, 28544564, 35680705, 71361410, 142722820]

約数ペア:

[(1, 142722820), (2, 71361410), (4, 35680705), (5, 28544564), (10, 14272282), (17, 8395460), (20, 7136141), (23, 6205340), (34, 4197730), (46, 3102670), (68, 2098865), (85, 1679092), (92, 1551335), (115, 1241068), (170, 839546), (230, 620534), (340, 419773), (391, 365020), (460, 310267), (782, 182510), (1564, 91255), (1955, 73004), (3910, 36502), (7820, 18251)]